The phenomenon of radioactivity was discovered by___________________?
Correct answer: B. Becquerel
- A. Madam Curie
- B. Becquerel
- C. Roentgen
- D. J.J. Thomson
Explanation
Henri Becquerel discovered spontaneous radioactivity in 1896 while investigating uranium salts. Madame Curie later studied and named radioactivity and discovered additional radioactive elements.
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